“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 13396
School of Particles and Accelerator
  Title:   Sub-Harmonic Bunching System of CLIC Drive Beam Injector
1.  Seyed Hamed Shaker
2.  Shahin Sanaye Hajari
3.  L Dassa
4.  S Doeber
5.  R Leuxe
  Status:   In Proceedings
  Proceeding: Proceedings of IPAC2013, Shanghai, China
  Year:  2013
  Pages:   1685-1687
  Supported by:  IPM
beam concept where a high current drive beam provides the energy needed for acceleration of the main beam. The CLIC drive beam accelerator starts with a high current injector using a sophisticated sub-harmonic bunching system. This paper will focus on the design of the Sub Harmonic Bunchers (SHBs) the first RF components of the injector. A backward traveling wave structure has been optimized for this task. It will be shown also how to avoid asymmetrical fields inside the coupler cells and how to compensate beam loading by changing the phase velocity in comparison to the beam velocity.

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